/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#if HAVE_CMOCKA

#include <sched.h>
#include <setjmp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>

#define UNIT_TESTING
#include <cmocka.h>

#include <isc/siphash.h>

#include "../siphash.c"

const uint8_t vectors_sip64[64][8] = {
	{ 0x31, 0x0e, 0x0e, 0xdd, 0x47, 0xdb, 0x6f, 0x72 },
	{ 0xfd, 0x67, 0xdc, 0x93, 0xc5, 0x39, 0xf8, 0x74 },
	{ 0x5a, 0x4f, 0xa9, 0xd9, 0x09, 0x80, 0x6c, 0x0d },
	{ 0x2d, 0x7e, 0xfb, 0xd7, 0x96, 0x66, 0x67, 0x85 },
	{ 0xb7, 0x87, 0x71, 0x27, 0xe0, 0x94, 0x27, 0xcf },
	{ 0x8d, 0xa6, 0x99, 0xcd, 0x64, 0x55, 0x76, 0x18 },
	{ 0xce, 0xe3, 0xfe, 0x58, 0x6e, 0x46, 0xc9, 0xcb },
	{ 0x37, 0xd1, 0x01, 0x8b, 0xf5, 0x00, 0x02, 0xab },
	{ 0x62, 0x24, 0x93, 0x9a, 0x79, 0xf5, 0xf5, 0x93 },
	{ 0xb0, 0xe4, 0xa9, 0x0b, 0xdf, 0x82, 0x00, 0x9e },
	{ 0xf3, 0xb9, 0xdd, 0x94, 0xc5, 0xbb, 0x5d, 0x7a },
	{ 0xa7, 0xad, 0x6b, 0x22, 0x46, 0x2f, 0xb3, 0xf4 },
	{ 0xfb, 0xe5, 0x0e, 0x86, 0xbc, 0x8f, 0x1e, 0x75 },
	{ 0x90, 0x3d, 0x84, 0xc0, 0x27, 0x56, 0xea, 0x14 },
	{ 0xee, 0xf2, 0x7a, 0x8e, 0x90, 0xca, 0x23, 0xf7 },
	{ 0xe5, 0x45, 0xbe, 0x49, 0x61, 0xca, 0x29, 0xa1 },
	{ 0xdb, 0x9b, 0xc2, 0x57, 0x7f, 0xcc, 0x2a, 0x3f },
	{ 0x94, 0x47, 0xbe, 0x2c, 0xf5, 0xe9, 0x9a, 0x69 },
	{ 0x9c, 0xd3, 0x8d, 0x96, 0xf0, 0xb3, 0xc1, 0x4b },
	{ 0xbd, 0x61, 0x79, 0xa7, 0x1d, 0xc9, 0x6d, 0xbb },
	{ 0x98, 0xee, 0xa2, 0x1a, 0xf2, 0x5c, 0xd6, 0xbe },
	{ 0xc7, 0x67, 0x3b, 0x2e, 0xb0, 0xcb, 0xf2, 0xd0 },
	{ 0x88, 0x3e, 0xa3, 0xe3, 0x95, 0x67, 0x53, 0x93 },
	{ 0xc8, 0xce, 0x5c, 0xcd, 0x8c, 0x03, 0x0c, 0xa8 },
	{ 0x94, 0xaf, 0x49, 0xf6, 0xc6, 0x50, 0xad, 0xb8 },
	{ 0xea, 0xb8, 0x85, 0x8a, 0xde, 0x92, 0xe1, 0xbc },
	{ 0xf3, 0x15, 0xbb, 0x5b, 0xb8, 0x35, 0xd8, 0x17 },
	{ 0xad, 0xcf, 0x6b, 0x07, 0x63, 0x61, 0x2e, 0x2f },
	{ 0xa5, 0xc9, 0x1d, 0xa7, 0xac, 0xaa, 0x4d, 0xde },
	{ 0x71, 0x65, 0x95, 0x87, 0x66, 0x50, 0xa2, 0xa6 },
	{ 0x28, 0xef, 0x49, 0x5c, 0x53, 0xa3, 0x87, 0xad },
	{ 0x42, 0xc3, 0x41, 0xd8, 0xfa, 0x92, 0xd8, 0x32 },
	{ 0xce, 0x7c, 0xf2, 0x72, 0x2f, 0x51, 0x27, 0x71 },
	{ 0xe3, 0x78, 0x59, 0xf9, 0x46, 0x23, 0xf3, 0xa7 },
	{ 0x38, 0x12, 0x05, 0xbb, 0x1a, 0xb0, 0xe0, 0x12 },
	{ 0xae, 0x97, 0xa1, 0x0f, 0xd4, 0x34, 0xe0, 0x15 },
	{ 0xb4, 0xa3, 0x15, 0x08, 0xbe, 0xff, 0x4d, 0x31 },
	{ 0x81, 0x39, 0x62, 0x29, 0xf0, 0x90, 0x79, 0x02 },
	{ 0x4d, 0x0c, 0xf4, 0x9e, 0xe5, 0xd4, 0xdc, 0xca },
	{ 0x5c, 0x73, 0x33, 0x6a, 0x76, 0xd8, 0xbf, 0x9a },
	{ 0xd0, 0xa7, 0x04, 0x53, 0x6b, 0xa9, 0x3e, 0x0e },
	{ 0x92, 0x59, 0x58, 0xfc, 0xd6, 0x42, 0x0c, 0xad },
	{ 0xa9, 0x15, 0xc2, 0x9b, 0xc8, 0x06, 0x73, 0x18 },
	{ 0x95, 0x2b, 0x79, 0xf3, 0xbc, 0x0a, 0xa6, 0xd4 },
	{ 0xf2, 0x1d, 0xf2, 0xe4, 0x1d, 0x45, 0x35, 0xf9 },
	{ 0x87, 0x57, 0x75, 0x19, 0x04, 0x8f, 0x53, 0xa9 },
	{ 0x10, 0xa5, 0x6c, 0xf5, 0xdf, 0xcd, 0x9a, 0xdb },
	{ 0xeb, 0x75, 0x09, 0x5c, 0xcd, 0x98, 0x6c, 0xd0 },
	{ 0x51, 0xa9, 0xcb, 0x9e, 0xcb, 0xa3, 0x12, 0xe6 },
	{ 0x96, 0xaf, 0xad, 0xfc, 0x2c, 0xe6, 0x66, 0xc7 },
	{ 0x72, 0xfe, 0x52, 0x97, 0x5a, 0x43, 0x64, 0xee },
	{ 0x5a, 0x16, 0x45, 0xb2, 0x76, 0xd5, 0x92, 0xa1 },
	{ 0xb2, 0x74, 0xcb, 0x8e, 0xbf, 0x87, 0x87, 0x0a },
	{ 0x6f, 0x9b, 0xb4, 0x20, 0x3d, 0xe7, 0xb3, 0x81 },
	{ 0xea, 0xec, 0xb2, 0xa3, 0x0b, 0x22, 0xa8, 0x7f },
	{ 0x99, 0x24, 0xa4, 0x3c, 0xc1, 0x31, 0x57, 0x24 },
	{ 0xbd, 0x83, 0x8d, 0x3a, 0xaf, 0xbf, 0x8d, 0xb7 },
	{ 0x0b, 0x1a, 0x2a, 0x32, 0x65, 0xd5, 0x1a, 0xea },
	{ 0x13, 0x50, 0x79, 0xa3, 0x23, 0x1c, 0xe6, 0x60 },
	{ 0x93, 0x2b, 0x28, 0x46, 0xe4, 0xd7, 0x06, 0x66 },
	{ 0xe1, 0x91, 0x5f, 0x5c, 0xb1, 0xec, 0xa4, 0x6c },
	{ 0xf3, 0x25, 0x96, 0x5c, 0xa1, 0x6d, 0x62, 0x9f },
	{ 0x57, 0x5f, 0xf2, 0x8e, 0x60, 0x38, 0x1b, 0xe5 },
	{ 0x72, 0x45, 0x06, 0xeb, 0x4c, 0x32, 0x8a, 0x95 }
};

const uint8_t vectors_hsip32[64][4] = {
	{ 0xa9, 0x35, 0x9f, 0x5b }, { 0x27, 0x47, 0x5a, 0xb8 },
	{ 0xfa, 0x62, 0xa6, 0x03 }, { 0x8a, 0xfe, 0xe7, 0x04 },
	{ 0x2a, 0x6e, 0x46, 0x89 }, { 0xc5, 0xfa, 0xb6, 0x69 },
	{ 0x58, 0x63, 0xfc, 0x23 }, { 0x8b, 0xcf, 0x63, 0xc5 },
	{ 0xd0, 0xb8, 0x84, 0x8f }, { 0xf8, 0x06, 0xe7, 0x79 },
	{ 0x94, 0xb0, 0x79, 0x34 }, { 0x08, 0x08, 0x30, 0x50 },
	{ 0x57, 0xf0, 0x87, 0x2f }, { 0x77, 0xe6, 0x63, 0xff },
	{ 0xd6, 0xff, 0xf8, 0x7c }, { 0x74, 0xfe, 0x2b, 0x97 },
	{ 0xd9, 0xb5, 0xac, 0x84 }, { 0xc4, 0x74, 0x64, 0x5b },
	{ 0x46, 0x5b, 0x8d, 0x9b }, { 0x7b, 0xef, 0xe3, 0x87 },
	{ 0xe3, 0x4d, 0x10, 0x45 }, { 0x61, 0x3f, 0x62, 0xb3 },
	{ 0x70, 0xf3, 0x67, 0xfe }, { 0xe6, 0xad, 0xb8, 0xbd },
	{ 0x27, 0x40, 0x0c, 0x63 }, { 0x26, 0x78, 0x78, 0x75 },
	{ 0x4f, 0x56, 0x7b, 0x5f }, { 0x3a, 0xb0, 0xe6, 0x69 },
	{ 0xb0, 0x64, 0x40, 0x00 }, { 0xff, 0x67, 0x0f, 0xb4 },
	{ 0x50, 0x9e, 0x33, 0x8b }, { 0x5d, 0x58, 0x9f, 0x1a },
	{ 0xfe, 0xe7, 0x21, 0x12 }, { 0x33, 0x75, 0x32, 0x59 },
	{ 0x6a, 0x43, 0x4f, 0x8c }, { 0xfe, 0x28, 0xb7, 0x29 },
	{ 0xe7, 0x5c, 0xc6, 0xec }, { 0x69, 0x7e, 0x8d, 0x54 },
	{ 0x63, 0x68, 0x8b, 0x0f }, { 0x65, 0x0b, 0x62, 0xb4 },
	{ 0xb6, 0xbc, 0x18, 0x40 }, { 0x5d, 0x07, 0x45, 0x05 },
	{ 0x24, 0x42, 0xfd, 0x2e }, { 0x7b, 0xb7, 0x86, 0x3a },
	{ 0x77, 0x05, 0xd5, 0x48 }, { 0xd7, 0x52, 0x08, 0xb1 },
	{ 0xb6, 0xd4, 0x99, 0xc8 }, { 0x08, 0x92, 0x20, 0x2e },
	{ 0x69, 0xe1, 0x2c, 0xe3 }, { 0x8d, 0xb5, 0x80, 0xe5 },
	{ 0x36, 0x97, 0x64, 0xc6 }, { 0x01, 0x6e, 0x02, 0x04 },
	{ 0x3b, 0x85, 0xf3, 0xd4 }, { 0xfe, 0xdb, 0x66, 0xbe },
	{ 0x1e, 0x69, 0x2a, 0x3a }, { 0xc6, 0x89, 0x84, 0xc0 },
	{ 0xa5, 0xc5, 0xb9, 0x40 }, { 0x9b, 0xe9, 0xe8, 0x8c },
	{ 0x7d, 0xbc, 0x81, 0x40 }, { 0x7c, 0x07, 0x8e, 0xc5 },
	{ 0xd4, 0xe7, 0x6c, 0x73 }, { 0x42, 0x8f, 0xcb, 0xb9 },
	{ 0xbd, 0x83, 0x99, 0x7a }, { 0x59, 0xea, 0x4a, 0x74 }
};

static void
isc_siphash24_test(void **state) {
	UNUSED(state);

	uint8_t in[64], out[8], key[16];
	for (size_t i = 0; i < ARRAY_SIZE(key); i++) {
		key[i] = i;
	}

	for (size_t i = 0; i < ARRAY_SIZE(in); i++) {
		in[i] = i;
		isc_siphash24(key, in, i, out);
		assert_memory_equal(out, vectors_sip64[i], 8);
	}
}

static void
isc_halfsiphash24_test(void **state) {
	UNUSED(state);

	uint8_t in[64], out[4], key[16];
	for (size_t i = 0; i < ARRAY_SIZE(key); i++) {
		key[i] = i;
	}

	for (size_t i = 0; i < ARRAY_SIZE(in); i++) {
		in[i] = i;
		isc_halfsiphash24(key, in, i, out);
		assert_memory_equal(out, vectors_hsip32[i], 4);
	}
}

int
main(void) {
	const struct CMUnitTest tests[] = {
		cmocka_unit_test(isc_siphash24_test),
		cmocka_unit_test(isc_halfsiphash24_test),
	};

	return (cmocka_run_group_tests(tests, NULL, NULL));
}

#else /* HAVE_CMOCKA */

#include <stdio.h>

int
main(void) {
	printf("1..0 # Skipped: cmocka not available\n");
	return (SKIPPED_TEST_EXIT_CODE);
}

#endif /* if HAVE_CMOCKA */
